JVC UX-A4 - AM IF tadjust and Check; FM IF adjust and Check

UX-A4 B/E/G/GI/EN
UX-A4 B/E/G/GI/EN
B Power Supply/Power Amplifier Circuit: Drawing No. VDH9214-O05AW (All version)
1 2 3 4
_—_
VMWi321 H
H.P_JACK
J353
vMU4021-001
4a 4a
SPK_CONNECTOR en Ach
J354
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page
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vMwi321 0
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1. VOLTAGES ARE OC-MEASURED WITH A DIGITAL VOLT METER
F
OR
OSCILLOSCOPE
WITHOUT
INPUT
SIGNAL.
A
CONDITION —- CD MODE (DC 12V INPUT)
2. UNLESS OTHERWISE SPECIFIED . RESISTORS ARE 1/6W +5% CARBON RESISTOR.
ALL RESISTANCE VALUES ARE IN OHM(a).
ALL CAPACITORS ARE CERAMIC CAPACITOR OR MYLAR CAPACITOR.
ALL CAPACITANCE VALUES ARE IN , FIP=pF).
ALL INOUCTANCE VALUES ARE IN #H(m=mH).
ALL E. CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE [sF)/RATED VOLTAGE (Vv).
* POWER CORD
ALL
DIODES
ARE
MA16S(WITHOUT
DA3541.DA352)
AC IN
ALL NPN TRANSISTERS ARE 2501302
UFLAMABLE CARBON RESISTOR
® METAL FILM RESISTOR
GD OXIDE METAL FILM RESISTOR
CD £20% Low LEAK CURRENT ELECTROLYTIC CAPACITOR
@® NON-POLARISED ELECTROLYTIC CAPACITOR
© POLYPROPYLENE CAPACITOR
©® POLYSTYROL CAPACITOR
A ICAO6 LA4496 R POWER AMP
42
RAiS6 CAi58
LUG WIRE
(G/6I ONLY)
OETECTOR QAi52
UP eaten
Ov
Ca3s2 DA352
0.027 MA7OOA
RAISS 4.7M
FREQUENCY
nm
Ou:
@
a CONTROL
280130215. T)
[ vasaas 4 =
— ee eee ee eee eee oeeeeee cee ose ose oe eee ose eee oe oe oe eee eee eee ieee
2 TABLE 1 MARK PARTS LIST
wn
1
a Selo va
no
ze VTP66U2-12D | VTPE66T2-12D(BS) | VTPEGU2—-120 VTPG6A2-12E
oO
PL
erence
LOE
orsieenovlornier
navies
[arse
sen
[ows
ens
Feros [ornice es we
pee [owe [rae [woe fait |
eree[ er femven [ot | nee
freon | owaoco-aoo | SSS ae
cove | oe omamcre| eee
[eee [ee erence)
eos | war | wee | more | vee
ove| ee | ee | oe | |
[enevece| owe | ewe |e)
ess [ee | ewe | se | |
J ce | woe | oe Tse Pe
| ro | | rows | = pau nose P|
aei>—= Recording signal
=e Tape playback signal
—+— 48 LINE
INS401F
10
GQMA4318-V01
2.2M 1/2W
{u/c ONLY)
* FOS1
QMFS51E2-A4051
[=
i 8
LN
wo
exsss
VMZ0076-002A
Fig. 11-7
(No. 1890) 56
1420